You are on an airplane traveling with a constant velocity at an altitude of 20,000 m. What is the acceleration of gravity at that altitude? The radius of Earth is 6.37 × 106 m

A)

9.81 m/s2

B)

9.78 m/s2

C)

9.75 m/s2

D)

9.72 m/s2

E)

9.69 m/s2


C

Physics & Space Science

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